React - Full Stack Software Engineer

YOUR ROLE - THIS IS WAITING FOR YOU
Do you have a passion for front-end technologies, are experienced in using
React
and want to get involved where the future is being programmed? For you, software development is more than just programming and code, but an interface between companies and people? Then adesso is the right place for you

As a
Senior Full-Stack Developer
, you'll design and build complex applications with a focus on modern
React ecosystems
on the front-end, while delivering robust APIs and microservices using
Java Spring Boot
. You'll be both a hands-on developer and a technical leader, guiding clients and mentoring team members.

In Detail, You Will Take On The Following Tasks

• Lead the front-end development of web applications using and modern tooling.
• Architect and maintain scalable back-end services using Java Spring Boot.

• Build responsive, high-performance UIs with modern React features:

• React Hooks (useState, useEffect, useMemo, useCallback, custom hooks).

• Context API for local state management.
• Redux Toolkit / Zustand / Recoil for global state management.
• React Query (TanStack Query) for server state synchronization.

• for SSR, SSG, and routing.

• Implement TypeScript for type safety and maintainability.

• Style applications using TailwindCSS, CSS Modules, or styled-components.
• Optimize performance with code-splitting, lazy loading, Suspense, memoization, and React Profiler.
• Implement testing best practices using Jest, React Testing Library, Cypress, or Playwright.
• Collaborate with UI/UX teams to implement accessible, pixel-perfect designs.
• Ensure seamless integration between front-end and Spring Boot APIs.
• Guide technical decisions, review code, and mentor junior developers.
• Work closely with clients to understand requirements and propose solutions.

YOUR SKILLS - WHAT YOU BRING WITH YOU

• 5+ years of professional full-stack development experience.
• Strong expertise in , , JavaScript and TypeScript.
• Solid experience with state management (Redux Toolkit, Zustand, Recoil).
• Familiarity with React Query / Apollo Client for data fetching.
• Deep knowledge of React Hooks, Context API, and component-driven development.
• Experience building RESTful and GraphQL APIs.
• Backend experience with Java Spring Boot for microservices and APIs.
• Strong understanding of relational and NoSQL databases (PostgreSQL, MySQL, MongoDB).
• Familiarity with Docker, Kubernetes, and cloud deployment (AWS, Azure, or GCP).
• Hands-on experience with CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins).
• Excellent communication and problem-solving skills, with consultancy or client-facing experience.
• Good knowledge of English, both written and spoken

Our commitment to you

• An established business with the soul of a Startup
• A digital workplace experience with flexible working hours
• Agile & lean organization: Optimized work processes to eliminate waste and horizontal hierarchy
• Global mobility and international rotation
• Competitive salary, private health insurance, and comprehensive benefits
• A bonus system based on company and individual contributions
• Structured professional development with both soft and technical training programs, workshop opportunities, and language learning support

About Adesso Romania
adesso is providing IT delivery, consultancy and software solutions with international teams. The new subsidiary, adesso Romania, is based in Bucharest. It is to begin supporting adesso's international delivery network ) in staffing and logistical terms effective immediately.

Around 600 of the more than 10,000 employees in the adesso Group already work for customers in Europe at adesso's SmartShore locations in Turkey, Bulgaria and Spain. Main technology stack is Java, .NET, FE, Mobile App Development, MS Power Platform, and DevOps.

The IT experts work on digitalization projects as part of international project teams. Some of their work is done on-premises at customer locations – especially in the German-speaking countries – but some are also performed through virtual collaboration from adesso's individual SmartShore offices in Istanbul, Sofia, Barcelona, Madrid, and Jerez.